Z Space, Incorporated, is a new company and currently has negative earnings. The company's sales are $2.8 million and there are 146,000 shares outstanding. a. If the benchmark price-sales ratio is 6.6, what is your estimate of an appropriate stock price? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. What if the price-sales ratio were 5.8 ? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)